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[fs/lustre-release.git] / lustre / ptlrpc / layout.c
index 32f3427..66b0dc1 100644 (file)
@@ -1,29 +1,43 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- *  lustre/ptlrpc/layout.c
- *  Lustre Metadata Target (mdt) request handler
+ * GPL HEADER START
  *
- *  Copyright (c) 2006 Cluster File Systems, Inc.
- *   Author: Nikita Danilov <nikita@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   This file is part of the Lustre file system, http://www.lustre.org
- *   Lustre is a trademark of Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *   You may have signed or agreed to another license before downloading
- *   this software.  If so, you are bound by the terms and conditions
- *   of that agreement, and the following does not apply to you.  See the
- *   LICENSE file included with this distribution for more information.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   If you did not agree to a different license, then this copy of Lustre
- *   is open source software; you can redistribute it and/or modify it
- *   under the terms of version 2 of the GNU General Public License as
- *   published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
- *   In either case, Lustre is distributed in the hope that it will be
- *   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- *   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   license text for more details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/ptlrpc/layout.c
+ *
+ * Lustre Metadata Target (mdt) request handler
+ *
+ * Author: Nikita Danilov <nikita@clusterfs.com>
  */
 
 #if !defined(__REQ_LAYOUT_USER__)
@@ -52,7 +66,7 @@
 #endif
 /* struct ptlrpc_request, lustre_msg* */
 #include <lustre_req_layout.h>
-#include <linux/lustre_acl.h>
+#include <lustre_acl.h>
 
 /*
  * empty set of fields... for suitable definition of emptiness.
@@ -91,6 +105,10 @@ static const struct req_msg_field *quotactl_only[] = {
         &RMF_PTLRPC_BODY,
         &RMF_OBD_QUOTACTL
 };
+static const struct req_msg_field *quota_adjust_qunit_only[] = {
+        &RMF_PTLRPC_BODY,
+        &RMF_QUOTA_ADJUST_QUNIT
+};
 
 static const struct req_msg_field *qunit_data_only[] = {
         &RMF_PTLRPC_BODY,
@@ -226,7 +244,9 @@ static const struct req_msg_field *mds_last_unlink_server[] = {
         &RMF_PTLRPC_BODY,
         &RMF_MDT_BODY,
         &RMF_MDT_MD,
-        &RMF_LOGCOOKIES
+        &RMF_LOGCOOKIES,
+        &RMF_CAPA1,
+        &RMF_CAPA2
 };
 
 static const struct req_msg_field *mds_reint_setattr_client[] = {
@@ -451,7 +471,8 @@ static const struct req_msg_field *ost_body_capa[] = {
 static const struct req_msg_field *ost_destroy_client[] = {
         &RMF_PTLRPC_BODY,
         &RMF_OST_BODY,
-        &RMF_DLM_REQ
+        &RMF_DLM_REQ,
+        &RMF_CAPA1
 };
 
 
@@ -490,13 +511,24 @@ static const struct req_msg_field *ost_get_last_id_server[] = {
         &RMF_OBD_ID
 };
 
+static const struct req_msg_field *ost_get_fiemap_client[] = {
+        &RMF_PTLRPC_BODY,
+        &RMF_FIEMAP_KEY,
+        &RMF_FIEMAP_VAL
+};
+
+static const struct req_msg_field *ost_get_fiemap_server[] = {
+        &RMF_PTLRPC_BODY,
+        &RMF_FIEMAP_VAL
+};
+
 static const struct req_format *req_formats[] = {
         &RQF_OBD_PING,
         &RQF_SEC_CTX,
-        &RQF_SEQ_QUERY,
-        &RQF_FLD_QUERY,
         &RQF_MGS_TARGET_REG,
         &RQF_MGS_SET_INFO,
+        &RQF_SEQ_QUERY,
+        &RQF_FLD_QUERY,
         &RQF_MDS_CONNECT,
         &RQF_MDS_DISCONNECT,
         &RQF_MDS_SET_INFO,
@@ -527,10 +559,12 @@ static const struct req_format *req_formats[] = {
         &RQF_MDS_QUOTACHECK,
         &RQF_MDS_QUOTACTL,
         &RQF_MDS_QUOTA_DQACQ,
+        &RQF_QC_CALLBACK,
         &RQF_OST_CONNECT,
         &RQF_OST_DISCONNECT,
         &RQF_OST_QUOTACHECK,
         &RQF_OST_QUOTACTL,
+        &RQF_OST_QUOTA_ADJUST_QUNIT,
         &RQF_OST_GETATTR,
         &RQF_OST_SETATTR,
         &RQF_OST_CREATE,
@@ -540,8 +574,10 @@ static const struct req_format *req_formats[] = {
         &RQF_OST_BRW,
         &RQF_OST_STATFS,
         &RQF_OST_SET_INFO,
+        &RQF_OST_SET_GRANT_INFO,
         &RQF_OST_GET_INFO_GENERIC,
         &RQF_OST_GET_INFO_LAST_ID,
+        &RQF_OST_GET_INFO_FIEMAP,
         &RQF_LDLM_ENQUEUE,
         &RQF_LDLM_ENQUEUE_LVB,
         &RQF_LDLM_CONVERT,
@@ -568,7 +604,7 @@ static const struct req_format *req_formats[] = {
 struct req_msg_field {
         __u32       rmf_flags;
         const char *rmf_name;
-        /*
+        /**
          * Field length. (-1) means "variable length".
          */
         int         rmf_size;
@@ -621,7 +657,7 @@ EXPORT_SYMBOL(RMF_SEQ_OPC);
 
 const struct req_msg_field RMF_SEQ_RANGE =
         DEFINE_MSGF("seq_query_range", 0,
-                    sizeof(struct lu_range), lustre_swab_lu_range);
+                    sizeof(struct lu_seq_range), lustre_swab_lu_seq_range);
 EXPORT_SYMBOL(RMF_SEQ_RANGE);
 
 const struct req_msg_field RMF_FLD_OPC =
@@ -631,7 +667,7 @@ EXPORT_SYMBOL(RMF_FLD_OPC);
 
 const struct req_msg_field RMF_FLD_MDFLD =
         DEFINE_MSGF("fld_query_mdfld", 0,
-                    sizeof(struct md_fld), lustre_swab_md_fld);
+                    sizeof(struct lu_seq_range), lustre_swab_lu_seq_range);
 EXPORT_SYMBOL(RMF_FLD_MDFLD);
 
 const struct req_msg_field RMF_MDT_BODY =
@@ -644,6 +680,12 @@ const struct req_msg_field RMF_OBD_QUOTACTL =
                     sizeof(struct obd_quotactl), lustre_swab_obd_quotactl);
 EXPORT_SYMBOL(RMF_OBD_QUOTACTL);
 
+const struct req_msg_field RMF_QUOTA_ADJUST_QUNIT =
+        DEFINE_MSGF("quota_adjust_qunit", 0,
+                    sizeof(struct quota_adjust_qunit),
+                    lustre_swab_quota_adjust_qunit);
+EXPORT_SYMBOL(RMF_QUOTA_ADJUST_QUNIT);
+
 const struct req_msg_field RMF_QUNIT_DATA =
         DEFINE_MSGF("qunit_data", 0,
                     sizeof(struct qunit_data), NULL);
@@ -755,7 +797,7 @@ EXPORT_SYMBOL(RMF_REC_JOINFILE);
 const struct req_msg_field RMF_EADATA = DEFINE_MSGF("eadata", 0, -1, NULL);
 EXPORT_SYMBOL(RMF_EADATA);
 
-const struct req_msg_field RMF_ACL = 
+const struct req_msg_field RMF_ACL =
         DEFINE_MSGF("acl", 0, LUSTRE_POSIX_ACL_MAX_SIZE, NULL);
 EXPORT_SYMBOL(RMF_ACL);
 
@@ -773,7 +815,7 @@ const struct req_msg_field RMF_CAPA2 =
                     lustre_swab_lustre_capa);
 EXPORT_SYMBOL(RMF_CAPA2);
 
-/* 
+/*
  * OST request field.
  */
 const struct req_msg_field RMF_OST_BODY =
@@ -795,6 +837,14 @@ const struct req_msg_field RMF_OBD_ID =
                     sizeof(obd_id), lustre_swab_ost_last_id);
 EXPORT_SYMBOL(RMF_OBD_ID);
 
+const struct req_msg_field RMF_FIEMAP_KEY =
+        DEFINE_MSGF("fiemap", 0, sizeof(struct ll_fiemap_info_key),
+                    lustre_swab_fiemap);
+EXPORT_SYMBOL(RMF_FIEMAP_KEY);
+
+const struct req_msg_field RMF_FIEMAP_VAL =
+        DEFINE_MSGF("fiemap", 0, -1, lustre_swab_fiemap);
+EXPORT_SYMBOL(RMF_FIEMAP_VAL);
 
 /*
  * Request formats.
@@ -829,21 +879,29 @@ DEFINE_REQ_FMT(name, client, ARRAY_SIZE(client), server, ARRAY_SIZE(server))
 const struct req_format RQF_OBD_PING =
         DEFINE_REQ_FMT0("OBD_PING", empty, empty);
 EXPORT_SYMBOL(RQF_OBD_PING);
+
 const struct req_format RQF_SEC_CTX =
         DEFINE_REQ_FMT0("SEC_CTX", empty, empty);
 EXPORT_SYMBOL(RQF_SEC_CTX);
+
 const struct req_format RQF_MGS_TARGET_REG =
         DEFINE_REQ_FMT0("MGS_TARGET_REG", mgs_target_info_only,
                          mgs_target_info_only);
 EXPORT_SYMBOL(RQF_MGS_TARGET_REG);
 
 const struct req_format RQF_MGS_SET_INFO =
-        DEFINE_REQ_FMT0("MGS_SET_INTO", mgs_set_info,
+        DEFINE_REQ_FMT0("MGS_SET_INFO", mgs_set_info,
                          mgs_set_info);
 EXPORT_SYMBOL(RQF_MGS_SET_INFO);
 
+const struct req_format RQF_SEQ_QUERY =
+        DEFINE_REQ_FMT0("SEQ_QUERY", seq_query_client, seq_query_server);
+EXPORT_SYMBOL(RQF_SEQ_QUERY);
+
+const struct req_format RQF_FLD_QUERY =
+        DEFINE_REQ_FMT0("FLD_QUERY", fld_query_client, fld_query_server);
+EXPORT_SYMBOL(RQF_FLD_QUERY);
+
 const struct req_format RQF_LOG_CANCEL =
         DEFINE_REQ_FMT0("OBD_LOG_CANCEL", log_cancel_client, empty);
 EXPORT_SYMBOL(RQF_LOG_CANCEL);
@@ -864,6 +922,11 @@ const struct req_format RQF_OST_QUOTACTL =
         DEFINE_REQ_FMT0("OST_QUOTACTL", quotactl_only, quotactl_only);
 EXPORT_SYMBOL(RQF_OST_QUOTACTL);
 
+const struct req_format RQF_OST_QUOTA_ADJUST_QUNIT =
+        DEFINE_REQ_FMT0("OST_QUOTA_ADJUST_QUNIT", quota_adjust_qunit_only,
+                        quota_adjust_qunit_only);
+EXPORT_SYMBOL(RQF_OST_QUOTA_ADJUST_QUNIT);
+
 const struct req_format RQF_QC_CALLBACK =
         DEFINE_REQ_FMT0("QC_CALLBACK", quotactl_only, empty);
 EXPORT_SYMBOL(RQF_QC_CALLBACK);
@@ -872,14 +935,6 @@ const struct req_format RQF_MDS_QUOTA_DQACQ =
         DEFINE_REQ_FMT0("MDS_QUOTA_DQACQ", qunit_data_only, qunit_data_only);
 EXPORT_SYMBOL(RQF_MDS_QUOTA_DQACQ);
 
-const struct req_format RQF_SEQ_QUERY =
-        DEFINE_REQ_FMT0("SEQ_QUERY", seq_query_client, seq_query_server);
-EXPORT_SYMBOL(RQF_SEQ_QUERY);
-
-const struct req_format RQF_FLD_QUERY =
-        DEFINE_REQ_FMT0("FLD_QUERY", fld_query_client, fld_query_server);
-EXPORT_SYMBOL(RQF_FLD_QUERY);
-
 const struct req_format RQF_MDS_GETSTATUS =
         DEFINE_REQ_FMT0("MDS_GETSTATUS", mdt_body_only, mdt_body_capa);
 EXPORT_SYMBOL(RQF_MDS_GETSTATUS);
@@ -968,11 +1023,11 @@ EXPORT_SYMBOL(RQF_MDS_CONNECT);
 const struct req_format RQF_MDS_DISCONNECT =
         DEFINE_REQ_FMT0("MDS_DISCONNECT", empty, empty);
 EXPORT_SYMBOL(RQF_MDS_DISCONNECT);
+
 const struct req_format RQF_MDS_SET_INFO =
         DEFINE_REQ_FMT0("MDS_SET_INFO", mds_set_info_client, empty);
 EXPORT_SYMBOL(RQF_MDS_SET_INFO);
+
 const struct req_format RQF_LDLM_ENQUEUE =
         DEFINE_REQ_FMT0("LDLM_ENQUEUE",
                         ldlm_enqueue_client, ldlm_enqueue_lvb_server);
@@ -1148,6 +1203,11 @@ const struct req_format RQF_OST_SET_INFO =
         DEFINE_REQ_FMT0("OST_SET_INFO", ost_set_info_client, empty);
 EXPORT_SYMBOL(RQF_OST_SET_INFO);
 
+const struct req_format RQF_OST_SET_GRANT_INFO =
+        DEFINE_REQ_FMT0("OST_SET_GRANT_INFO", ost_set_info_client, 
+                        ost_body_only);
+EXPORT_SYMBOL(RQF_OST_SET_GRANT_INFO);
+
 const struct req_format RQF_OST_GET_INFO_GENERIC =
         DEFINE_REQ_FMT0("OST_GET_INFO", ost_get_info_generic_client,
                                         ost_get_info_generic_server);
@@ -1158,6 +1218,11 @@ const struct req_format RQF_OST_GET_INFO_LAST_ID =
                                                 ost_get_last_id_server);
 EXPORT_SYMBOL(RQF_OST_GET_INFO_LAST_ID);
 
+const struct req_format RQF_OST_GET_INFO_FIEMAP =
+        DEFINE_REQ_FMT0("OST_GET_INFO_FIEMAP", ost_get_fiemap_client,
+                                               ost_get_fiemap_server);
+EXPORT_SYMBOL(RQF_OST_GET_INFO_FIEMAP);
+
 
 #if !defined(__REQ_LAYOUT_USER__)
 
@@ -1266,7 +1331,7 @@ int req_capsule_filled_sizes(struct req_capsule *pill,
 
         for (i = 0; i < fmt->rf_fields[loc].nr; ++i) {
                 if (pill->rc_area[loc][i] == -1) {
-                        pill->rc_area[loc][i] = 
+                        pill->rc_area[loc][i] =
                                             fmt->rf_fields[loc].d[i]->rmf_size;
                         if (pill->rc_area[loc][i] == -1) {
                                 /* skip the following fields */
@@ -1334,8 +1399,11 @@ static void *__req_capsule_get(struct req_capsule *pill,
                 [RCL_SERVER] = "server"
         };
 
+        LASSERT(pill != NULL);
+        LASSERT(pill != LP_POISON);
         fmt = pill->rc_fmt;
         LASSERT(fmt != NULL);
+        LASSERT(fmt != LP_POISON);
         LASSERT(__req_format_is_sane(fmt));
 
         offset = __req_capsule_offset(pill, field, loc);
@@ -1452,11 +1520,11 @@ int req_capsule_get_size(const struct req_capsule *pill,
 }
 EXPORT_SYMBOL(req_capsule_get_size);
 
-int req_capsule_msg_size(const struct req_capsule *pill, enum req_location loc)
+int req_capsule_msg_size(struct req_capsule *pill, enum req_location loc)
 {
         return lustre_msg_size(pill->rc_req->rq_import->imp_msg_magic,
                                pill->rc_fmt->rf_fields[loc].nr,
-                               (int *)pill->rc_area[loc]);
+                               pill->rc_area[loc]);
 }
 
 int req_capsule_fmt_size(__u32 magic, const struct req_format *fmt,